86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* Licensed under the Apache License Version 2.0 with LLVM Exceptions
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* https://llvm.org/LICENSE.txt
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <unifex/coroutine.hpp>
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#if !UNIFEX_NO_COROUTINES
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#include <unifex/just.hpp>
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#include <unifex/sync_wait.hpp>
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#include <unifex/task.hpp>
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#include <unifex/stop_when.hpp>
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#include <unifex/timed_single_thread_context.hpp>
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#include <unifex/when_all.hpp>
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#include <unifex/scheduler_concepts.hpp>
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#include <chrono>
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#include <gtest/gtest.h>
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using namespace unifex;
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using namespace std::chrono_literals;
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TEST(awaitable_senders, non_void) {
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auto makeTask = [&]() -> task<int> {
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co_return co_await just(42);
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};
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std::optional<int> answer =
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sync_wait(makeTask());
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EXPECT_TRUE(answer.has_value());
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EXPECT_EQ(42, *answer);
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}
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TEST(awaitable_senders, void) {
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// HACK: ideally would be task<void> once that specialisation has been added.
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auto makeTask = [&]() -> task<unifex::unit> {
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co_await just();
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co_return unifex::unit{};
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};
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std::optional<unifex::unit> answer =
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sync_wait(makeTask());
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EXPECT_TRUE(answer.has_value());
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}
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TEST(awaitable_senders, task_cancellation) {
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timed_single_thread_context ctx;
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auto sched = ctx.get_scheduler();
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sync_wait(
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stop_when(
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[&]() -> task<int> {
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co_await schedule_after(sched, 500ms);
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ADD_FAILURE();
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co_return -1;
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}(),
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schedule_after(sched, 5ms)));
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}
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TEST(awaitable_senders, await_multi_value_sender) {
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std::optional<int> result = sync_wait([]() -> task<int> {
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auto [a, b] = co_await just(10, 42);
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EXPECT_EQ(10, a);
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EXPECT_EQ(42, b);
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co_return a + b;
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}());
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EXPECT_EQ(52, result);
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}
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#endif // UNIFEX_NO_COROUTINES
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